diff --git a/src/opnsense/scripts/interfaces/dhclient-script b/src/opnsense/scripts/interfaces/dhclient-script
index fab608055..b44ba87b0 100755
--- a/src/opnsense/scripts/interfaces/dhclient-script
+++ b/src/opnsense/scripts/interfaces/dhclient-script
@@ -223,6 +223,12 @@ add_new_resolv_conf() {
 	fi
 
 	rm -f /tmp/${interface}_nameserver
+	rm -f /tmp/${interface}_searchdomain
+
+	if [ "$(pluginctl -g system.dnsallowoverride)" != "1" ]; then
+	        # prevent installing DNS information when not allowed
+		return 0
+	fi
 
 	if [ -n "$new_domain_name_servers" ]; then
 		for nameserver in $new_domain_name_servers; do
@@ -234,8 +240,6 @@ add_new_resolv_conf() {
 		done
 	fi
 
-	rm -f /tmp/${interface}_searchdomain
-
 	if [ -n "$new_domain_name" ]; then
 		echo $new_domain_name > /tmp/${interface}_searchdomain
 	fi